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Difference between doseq and for in Clojure
...at for builds a lazy sequence and returns it while doseq is for executing side-effects and returns nil.
user=> (for [x [1 2 3]] (+ x 5))
(6 7 8)
user=> (doseq [x [1 2 3]] (+ x 5))
nil
user=> (doseq [x [1 2 3]] (println x))
1
2
3
nil
If you want to build a new sequence based on other sequ...
Difference between FOR and AFTER triggers?
...@JeancarloFontalvo, 1) compatibility. The underlying tables can change provided the view remains the same. 2) access control, certain users may have permission to write to certain columns only.
– Ben
Mar 9 '17 at 8:31
...
Set scroll position
... scrollTo and scrollBy methods. You should:
var el = document.getElementById("myel"); // Or whatever method to get the element
// To set the scroll
el.scrollTop = 0;
el.scrollLeft = 0;
// To increment the scroll
el.scrollTop += 100;
el.scrollLeft += 100;
You can also mimic the window.scrollTo a...
jQuery vs jQuery Mobile vs jQuery UI?
... mobile than I will also need to use jQuery? I mean does jQuery mobile provides all of the jQuery functionality (except mouse/keyboard events)?
– Muhammad Qasim
Oct 25 '13 at 9:34
...
Define all functions in one .R file, call them from another .R file. How, if possible?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Watch multiple $scope attributes
...at it just runs once with newValues and oldValues as undefined, while individually watching the properties work as usual.
– Alejandro García Iglesias
Apr 3 '17 at 20:36
...
Friend declaration in C++ - difference between public and private
...
so I guess whoever told me that just didn't know what they were talking about. Thanks :)
– BIU
Jun 20 '11 at 6:54
...
Where is Vagrant saving changes to the VM?
...t imports the base box which is located at ~/.vagrant.d/boxes/, like you said.
This is where the base boxes are kept. It uses it to start a VM from the clean state. When importing a VM, the responsibility of where to store data files and VM state is up to VirtualBox itself. This is a configurable lo...
Default visibility of class methods in PHP
...perties which is not declared in the class and you assign a value to it inside a method will have a public visibility.
<?php
class Example {
public $name;
public function __construct() {
$this -> age = 9; // age is now public
$this -> privateFunction();
}
p...
CSS attribute selector does not work a href
...te value to match the end of the string.
a[href$='.pdf'] { /*css*/ }
JSFiddle: http://jsfiddle.net/UG9ud/
E[foo] an E element with a "foo" attribute (CSS 2)
E[foo="bar"] an E element whose "foo" attribute value is exactly equal to "bar" (CSS 2)
E[foo~="bar"] an E element whose "foo" attr...